From: Dan Carpenter <dan.carpenter@oracle.com>
To: Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>
Cc: alsa-devel@alsa-project.org, kernel-janitors@vger.kernel.org,
Takashi Iwai <tiwai@suse.com>
Subject: [PATCH 2/2] ASoC: ops: Fix signedness bug in snd_soc_put_volsw_sx()
Date: Fri, 28 Jan 2022 14:20:42 +0300 [thread overview]
Message-ID: <20220128112042.GB24806@kili> (raw)
In-Reply-To: <20220128112007.GA24806@kili>
The "val" variable needs to be signed for the checking to work
correctly.
Fixes: 4f1e50d6a9cf ("ASoC: ops: Reject out of bounds values in snd_soc_put_volsw_sx()")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
sound/soc/soc-ops.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c
index 0091fa96eb48..a615316a06ff 100644
--- a/sound/soc/soc-ops.c
+++ b/sound/soc/soc-ops.c
@@ -422,7 +422,8 @@ int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
int min = mc->min;
unsigned int mask = (1U << (fls(min + max) - 1)) - 1;
int err = 0;
- unsigned int val, val_mask;
+ unsigned int val_mask;
+ int val;
val = ucontrol->value.integer.value[0];
if (mc->platform_max && val > mc->platform_max)
--
2.20.1
next prev parent reply other threads:[~2022-01-28 11:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-28 11:20 [PATCH 1/2] ASoC: ops: fix signedness bug in snd_soc_put_volsw() Dan Carpenter
2022-01-28 11:20 ` Dan Carpenter [this message]
2022-01-28 12:42 ` Mark Brown
2022-01-28 13:31 ` Dan Carpenter
2022-01-28 13:48 ` Mark Brown
2022-01-28 14:05 ` Dan Carpenter
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